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Engineering Worksheet: Materials

Engineering lesson 19: Materials and their properties · Set 482 · 40 questions
TalentJR

Engineer's tip (Match the property to the job): Ask: what must it do — keep water out, bend, let light through, carry current or stay cool? Metals and graphite conduct electricity; rubber, plastic, dry wood, glass, pottery and cloth insulate. Pick the material whose main property fits the job.

NameDateTime takenScore ___ / 40
  1. 1.Which of these needs a transparent material? (a) a raincoat (b) a yoga mat (c) a cooking pot handle (d) a window pane
  2. 2.🧱 Which material is best for a window pane? (a) brick (b) steel (c) wood (d) glass
  3. 3.🔍 Which is the odd one out? (a) brass (b) dry wood (c) iron (d) aluminium
  4. 4.Which of these needs a heat insulator? (a) a hair band (b) an umbrella cover (c) a tea flask lining (d) a car windscreen
  5. 5.True or false: a roof sheet needs a waterproof material. (a) False (b) True
  6. 6.Which of these needs a waterproof material? (a) a tea flask lining (b) a raincoat (c) a cooking pot handle (d) the core of a wire
  7. 7.True or false: a magnifier lens needs a transparent material. (a) True (b) False
  8. 8.True or false: a spectacle lens needs a transparent material. (a) True (b) False
  9. 9.Which of these needs an electrical conductor? (a) a plug pin (b) a window pane (c) a spectacle lens (d) an oven glove
  10. 10.🧱 Which material is best for the core of an electric wire? (a) rubber (b) glass (c) wood (d) copper
  11. 11.🧱 Which property matters most for a car windscreen? (a) flexible (b) electrical conductor (c) waterproof (d) transparent
  12. 12.🔍 Which is the odd one out? (a) dry wood (b) rubber (c) cotton cloth (d) aluminium
  13. 13.Which of these needs a heat insulator? (a) the core of a wire (b) a boat hull (c) a cooking pot handle (d) an umbrella cover
  14. 14.True or false: a water tank needs a flexible material. (a) False (b) True
  15. 15.True or false: a boat hull needs a waterproof material. (a) False (b) True
  16. 16.True or false: an oven glove needs a heat insulator. (a) False (b) True
  17. 17.🧱 Which material is best for a raincoat? (a) plastic-coated cloth (b) cotton wool (c) cardboard (d) paper
  18. 18.🧱 Which property matters most for a spectacle lens? (a) transparent (b) heat insulator (c) flexible (d) electrical conductor
  19. 19.True or false: a roof sheet needs a heat insulator. (a) True (b) False
  20. 20.🧱 Is iron an electrical conductor or an insulator? (a) a conductor (b) an insulator
  21. 21.🧱 Which property matters most for a skipping rope? (a) transparent (b) waterproof (c) flexible (d) electrical conductor
  22. 22.Which of these needs an electrical conductor? (a) a car seat belt (b) the core of a wire (c) an oven glove (d) a boat hull
  23. 23.🔍 Which is the odd one out? (a) aluminium (b) steel (c) rubber (d) copper
  24. 24.🔍 Which is the odd one out? (a) cotton cloth (b) plastic (c) rubber (d) brass
  25. 25.🧱 Is clay pottery an electrical conductor or an insulator? (a) an insulator (b) a conductor
  26. 26.🧱 Which property matters most for an umbrella cover? (a) waterproof (b) flexible (c) electrical conductor (d) transparent
  27. 27.Which of these needs a flexible material? (a) a magnifier lens (b) an oven glove (c) a raincoat (d) a hair band
  28. 28.🧱 Which property matters most for the core of a wire? (a) electrical conductor (b) transparent (c) heat insulator (d) flexible
  29. 29.🧱 Is aluminium an electrical conductor or an insulator? (a) a conductor (b) an insulator
  30. 30.🔍 Which is the odd one out? (a) glass (b) rubber (c) copper (d) cotton cloth
  31. 31.True or false: a water tank needs a waterproof material. (a) True (b) False
  32. 32.Which of these needs a waterproof material? (a) a magnifier lens (b) a switch contact (c) a yoga mat (d) an umbrella cover
  33. 33.🧱 Which material is best for the bars inside concrete? (a) rubber (b) steel (c) plastic (d) glass
  34. 34.🔍 Which is the odd one out? (a) cotton cloth (b) clay pottery (c) graphite (d) glass
  35. 35.🧱 Is steel an electrical conductor or an insulator? (a) a conductor (b) an insulator
  36. 36.🧱 Which property matters most for a water tank? (a) waterproof (b) flexible (c) electrical conductor (d) heat insulator
  37. 37.Which of these needs an electrical conductor? (a) a spectacle lens (b) an umbrella cover (c) a car seat belt (d) a switch contact
  38. 38.Which of these needs a transparent material? (a) a car seat belt (b) a roof sheet (c) a magnifier lens (d) the core of a wire
  39. 39.Which of these needs a transparent material? (a) a boat hull (b) a car windscreen (c) a car seat belt (d) a hair band
  40. 40.🧱 Which property matters most for a roof sheet? (a) waterproof (b) transparent (c) electrical conductor (d) flexible

Answer key

  1. a window pane
  2. glass
  3. dry wood
  4. a tea flask lining
  5. True
  6. a raincoat
  7. True
  8. True
  9. a plug pin
  10. copper
  11. transparent
  12. aluminium
  13. a cooking pot handle
  14. False
  15. True
  16. True
  17. plastic-coated cloth
  18. transparent
  19. False
  20. a conductor
  21. flexible
  22. the core of a wire
  23. rubber
  24. brass
  25. an insulator
  26. waterproof
  27. a hair band
  28. electrical conductor
  29. a conductor
  30. copper
  31. True
  32. an umbrella cover
  33. steel
  34. graphite
  35. a conductor
  36. waterproof
  37. a switch contact
  38. a magnifier lens
  39. a car windscreen
  40. waterproof

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